b) 20 + 6x = -2x + 26
Mathematics, 11.08.2021 19:10 anonymous8888
1. Resolva as seguintes equações do 1o grau:
a) 5x + x – 40 = 5 – x
b) 20 + 6x = -2x + 26
c) 3,5x + 1 = 3 + 3,1x
d) 7p + 15 – 5p 10 = - 17 + 13p
e) 13y – 5 = 11 + 9y
f) 9t – 14 = 7t + 20
g) 5 – a – 11 = 4a – 22
h) 2y + 21 – 6y = - 12 + y – 7
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Answers: 2
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1. Resolva as seguintes equações do 1o grau:
a) 5x + x – 40 = 5 – x
b) 20 + 6x = -2x + 26
b) 20 + 6x = -2x + 26
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